On grammatical class:

do
pro-sumti: you listener(s); identified by vocative.
do'o
pro-sumti: you the listener & others unspecified.
ko
pro-sumti: you (imperative); make it true for you, the listener.
ma'a
pro-sumti: me/we the speaker(s)/author(s) & you the listener(s) & others unspecified.
mi
pro-sumti: me/we the speaker(s)/author(s); identified by self-vocative.
mi'a
pro-sumti: me/we the speaker(s)/author(s) & others unspecified, but not you, the listener.
mi'o
pro-sumti: me/we the speaker(s)/author(s) & you the listener(s).